Buckling instabilities of octadecylamine functionalized carbon nanotubes embedded in epoxy

被引:30
作者
Hadjiev, VG [1 ]
Lagoudas, DC
Oh, ES
Thakre, P
Davis, D
Files, BS
Yowell, L
Arepalli, S
Bahr, JL
Tour, JM
机构
[1] Univ Houston, Texas Ctr Superconduct & Adv Mat, Sci Ctr 202, Houston, TX 77204 USA
[2] Texas A&M Univ, Dept Aerosp Engn, College Stn, TX 77843 USA
[3] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA
[4] Rice Univ, Dept Chem, Houston, TX 77005 USA
[5] Rice Univ, Dept Chem Engn & Mat Sci, Houston, TX 77005 USA
[6] Rice Univ, Ctr Nanoscale Sci & Technol, Houston, TX 77005 USA
基金
美国国家航空航天局;
关键词
polymer-matrix composites (PMCs); fibre/matrix bond; buckling; Raman spectroscopy; TEM;
D O I
10.1016/j.compscitech.2005.01.004
中图分类号
TB33 [复合材料];
学科分类号
摘要
We demonstrate effects of nanotubes buckling and debonding in octadecylamine (ODA) derivatized single wall carbon nanotubes (SWCNT)/epoxy nanocomposites under mechanical and thermal loads uniquely detected by means of Raman spectroscopy and documented by TEM imaging. It is shown that ODA functionalization of SWCNTs provides weak sidewall interactions between the nanotubes and epoxy matrix, which make axially compressed ODA-SWCNTs susceptible to buckling. The feasibility of ODA-SWCNTs buckling in epoxy matrix is also supported by the structural mechanics calculations. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:128 / 136
页数:9
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